package com.itheima.reggie.controller;

import com.alibaba.druid.sql.dialect.odps.ast.OdpsAddStatisticStatement;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author xindezhentu
 * @create 2023-04-04 15:11
 */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("新增分类成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
//        分页构造器
        Page<Category> pageInfo= new Page<>(page,pageSize);
//        条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.orderByDesc(Category::getSort);

        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);

    }
    @DeleteMapping
    public R<String> delete(Long id){

//        categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("删除成功");

    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){

        log.info("修改分类信息：{}",category);

        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    /**
     *  根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>>list (Category category){
//        条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//        添加条件
        queryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
//        添加排序条件
        queryWrapper.orderByDesc(Category::getSort).orderByDesc(Category::getUpdateTime);


        List<Category> list = categoryService.list(queryWrapper);

        return R.success(list);

    }
}
